Where the transaction is concluded: Margin margin trading is a futures transaction, and it is concluded on the margin trading platform.

Has a timely impact on the stock price: No matter how it is traded, it has a direct impact on the stock price, because margin trading is mostly controlled by large institutions, which use huge funds to influence the stock price. For example, if a stock institution conducts securities lending operations, it will of course suppress its stock price in the secondary market.

Where the stock comes from: Institutions buy small amounts of the stock in the stock market.

Securities companies can speculate in stocks themselves: Yes. As long as you don't speculate in the stocks of your own listed companies, it will be fine.

The securities company borrowed the stocks of listed companies from the chairman: No, I bought them through the secondary market.

Nature of the bet: Yes.